Westgard multi-rule control method combined with Levey-Jennings quality control chart in daily indoor quality control of TEG
10.13303/j.cjbt.issn.1004-549x.2021.04.021
- VernacularTitle:Westgard多规则控制方法结合Levey-Jennings质控图在TEG日常室内质控中的应用
- Author:
Fan HAI
1
;
Wen QIN
1
Author Information
1. Department of Blood Transfusion, Ganmei Hospital of Kunming First People′s Hospital, Kunming 650031, China
- Publication Type:Journal Article
- Keywords:
thromboelastography(TEG);
indoor quality control;
Westgard multi-rule control rules;
Levey-Jennings control chart;
runaway judgment and treatment;
precision
- From:
Chinese Journal of Blood Transfusion
2021;34(4):405-408
- CountryChina
- Language:Chinese
-
Abstract:
【Objective】 To continuously improve the routine indoor quality and precision of TEG by applying Westgard multi-rule control method combined with Levey-Jennings quality control chart. 【Methods】 The parameters R, K, Angel and MA of TEG were monitored and analyzed in the laboratory for 12 consecutive months using the same batch of quality control products via Westgard multi-rule control method combined with Levey-Jennings quality control chart, and the mean(
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), standard deviation (SD) and coefficient of variation (CV%) were calculated to observe the control effect. 【Results】 We applied this quality control method to timely correct, analyze and improve the system errors in TEG indoor quality control.The CV% value of R, K, Angle and MA were 20.33%, 13%, 3.6% and 9.65%, respectively, during January to June 2019, but decreased to 9%, 3%, 1.28% and 5.35%, respectively, during July to December 2019. 【Conclusion】 The application of Westgard multi-rule control method and Levey-Jennings quality control chart in TEG indoor quality control test can improve the precision of TEG clinical test results.
